The list is broken down into five categories: Pioneers, Artists, Leaders, Icons and Titans. Each person on the list is introduced with a short profile written by another notable figure — like the Duffer Brothers, Bill Gates, Aly Raisman, Cher, Adele.

The first category, Pioneers, includes the likes of Cardi B, Tiffany Haddish, Kumail Nanjiani and Parkland Survivors Cameron Kasky, Jaclyn Corin, David Hogg, Emma Gonzalez and Alex Wind — the latter whose profile was written by Barack Obama.

In Time’s article introducing the list, Edward Felsenthal wrote, that the list is a “designation of individuals whose time, in our estimation, is now.”

“The TIME 100 isn’t a measure of power, though many on the list wield it,” he continued. “Nor is it a collection of milestones accumulated. As our staff considers candidates, we often find ourselves wowed by those with stunning lifetime achievements. But editorial director Dan Macsai, maestro of the TIME 100, brings us back to the key question: Was this their year?”